static int ipod_blank(int blank_mode, const struct fb_info *info)
{
static int backlight_on = -1;
switch (blank_mode) {
case VESA_NO_BLANKING:
/* printk(KERN_ERR "VESA_NO_BLANKING\n"); */
/* start oscillation
* wait 10ms
* cancel standby
* turn on LCD power
*/
lcd_cmd_and_data(0x0, 0x0, 0x1);
udelay(10000);
lcd_cmd_and_data(0x3, 0x15, 0x0);
lcd_cmd_and_data(0x3, 0x15, 0xc);
if (backlight_on != -1) {
set_backlight(backlight_on);
}
backlight_on = -1;
break;
case VESA_VSYNC_SUSPEND:
case VESA_HSYNC_SUSPEND:
/* printk(KERN_ERR "VESA_XSYNC_BLANKING\n"); */
if (backlight_on == -1) {
backlight_on = get_backlight();
set_backlight(0);
}
/* go to SLP = 1 */
/* 10101 00001100 */
lcd_cmd_and_data(0x3, 0x15, 0x0);
lcd_cmd_and_data(0x3, 0x15, 0x2);
break;
case VESA_POWERDOWN:
/* printk(KERN_ERR "VESA_POWERDOWN\n"); */
if (backlight_on == -1) {
backlight_on = get_backlight();
set_backlight(0);
}
/* got to standby */
lcd_cmd_and_data(0x3, 0x15, 0x1);
break;
default:
/* printk(KERN_ERR "unknown blank value %d\n", blank_mode); */
return -EINVAL;
}
return 0;
}
int main() {
savepoint("==========================");
char buf_bat[200] = {0};
char buf_back[200] = {0};
char buf_net[200] = {0};
char buf_audio[200] = {0};
char buf_date[200] = {0};
char buf_ws[300] = {0};
savepoint("allocation");
get_workspace(buf_ws);
savepoint("workspace");
get_battery(buf_bat);
savepoint("battery");
get_audio(buf_audio);
savepoint("audio");
get_date(buf_date);
savepoint("date");
if (get_network(buf_net) == 1) {
get_backlight(buf_back, COLOR_BG_NET);
savepoint("backlight");
printf("%%{l}%s %%{r}%s %s %s %s %s%%{F%s}%%{B%s}\n", buf_ws, buf_audio, buf_net, buf_back, buf_bat, buf_date, COLOR_BG, COLOR_BG);
} else {
get_backlight(buf_back, COLOR_BG_AUDIO);
savepoint("backlight");
printf("%%{F%s}%%{B%s}%%{l}%s%%{F%s}%%{B%s} %%{r}%s %s %s %s%%{F%s}%%{B%s}\n",COLOR_BG, COLOR_BG, buf_ws, COLOR_BG, COLOR_BG, buf_audio, buf_back, buf_bat, buf_date, COLOR_BG, COLOR_BG);
}
savepoint("print");
savepoint("==========================");
return 0;
}
static int ipod_fb_ioctl(struct inode *inode, struct file *file, u_int cmd,
u_long arg, int con, struct fb_info *info)
{
int val;
switch (cmd) {
case FBIOGET_CONTRAST:
val = get_contrast();
if (put_user(val, (int *)arg))
return -EFAULT;
break;
case FBIOPUT_CONTRAST:
val = (int)arg;
if (val < IPOD_MIN_CONTRAST || val > IPOD_MAX_CONTRAST)
return -EINVAL;
set_contrast(val);
break;
case FBIOGET_BACKLIGHT:
val = get_backlight();
if (put_user(val, (int *)arg))
return -EFAULT;
break;
case FBIOPUT_BACKLIGHT:
val = (int)arg;
set_backlight(val);
break;
default:
return -EINVAL;
}
return 0;
}